The Fan,ventilating, cataloged under National Stock Number 4140-01-671-7299, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-671-7299 |
| Primary Part Number | 1HLA4 |
| Item Name | Fan,ventilating |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 16 THREADED INSERT |
| Speed Adjustments | 0 TO FULL SPEED |
| Phase | SINGLE |
| Frequency in Hertz | 60.0 |
| Inclosure Type | GUARDED |
| Length | 14.5 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 115.0 AC |
| Flow Direction | OUTWARD |
| Housing Inside Diameter | 19.0 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.14 HORSEPOWER |
| Style Designator | FIXED |
| Features Provided | LOUVER |
| Ambient Temp at Full Rated Power | 104.0 FAHRENHEIT DEGF |
| Height | 21.12 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 1075.0 |
| Width | 21.12 INCHES NOMINAL IN |
| Material | ALUMINUM BLADE |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Electrical Connection Type | WIRE LEAD |
| Air Flow Rate | 1736.0 CUBIC FEET PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1HLA4 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
NSN 4140-01-671-7299 is a Fan,ventilating, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-671-7299 has 1 manufacturer part number on file: 1HLA4 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 1HLA4: Mounting Facility Type and Quantity: 16 THREADED INSERT; Speed Adjustments: 0 TO FULL SPEED; Phase: SINGLE; Frequency in Hertz: 60.0. 23 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.